Assignee
Inventors
- Shigeyuki Sasaki (18 patents)
- Tadakatsu Nakajima (50 patents)
- Noriyuki Ashiwake (22 patents)
- Yasuo Ohsone (3 patents)
- Toshio Hatada (32 patents)
- Toshiki Iino (8 patents)
- Akio Idei (18 patents)
- Kenichi Kasai (30 patents)
US Patent 5959351 · Granted Sep 28, 1999